Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kd2 win in 3 half-moves
2 Kd3 win in 3 half-moves
3 Kd4 win in 3 half-moves
4 Kc4 win in 9 half-moves
5 Kb4 win in 11 half-moves
6 Kc2 win in 11 half-moves
7 Kb2 win in 13 half-moves
8 Kb3 win in 13 half-moves